(单选题)12: The police have begun to ______ the murder case, but in vain. A: look into B: look up C: look out D: look after ...

(单选题)40: He has composed many pieces of music popular with young people, ________ this is an example. A: with which B: for which C: of which D: of that ...

(单选题)34: Arriving home, the boy told his parents about all the _____ which occurred in his dormitory. A: occasions B: factors C: incidents D: issues ...

(单选题)28: Why not ______ to Professor Chen for advice? He is an expert in this field. A: go B: to go C: you go D: your going ...

(单选题)22: He is always here. It’s ____ you’ve never met him. A: unique B: strange C: rare D: peculiar ...

(单选题)16: Because I am allergic to alcohol, I always avoid ________ wine. A: to drink B: drink C: drinking D: with drinking ...

(单选题)10: ____________ he likes her, he does get annoyed with her sometimes. A: Though much B: Much though C: As much D: Much as ...

(单选题)4: The teacher ______ be in the office; maybe he is in the library. A: might B: could C: may not D: can not ...

(单选题)38: One of his jokes, _______ I didn't really get it. A: for B: since C: when D: though ...

(单选题)32: In most EU countries, the employment regulations are ______ and the labor force itself is often resistant to change. A: intense B: restrictive C: instructive D: restrict ...